MPXM2202GS datasheet(141/670 Pages) MOTOROLA

141 / 670 page

AN1925

2–105

Motorola Sensor Device Data

www.motorola.com/semiconductors

Figure 2. Evaluation Board Circuit Schematic

.01 F

.1 F

9 V to 15 V

MC78L05

OUT

GND

.33 F

BATT

+5 V

750

JP1

Green LED

VDD

STATUS

VSS

STATUS

TP2

VOUT

MMA1220D

VOUT

TP3

OFF

VDD

VOUT

Figure 3. Motorola Accelerometer Evaluation Board with Test Socket

Pin 1

20–pin

Test Socket

MMA Device

Bottom Lid Snap

Unused pins

SOIC

The board allows for direct mounting of a 16–pin DIP or

SOIC package. For the SOIC device, a 20–pin test socket is

used to allow for evaluation of more than one device without

soldering directly to the board and potentially damaging the

PCB. Care must be taken in placing the device correctly in the

socket as four pins of the socket will not be used. With the

board oriented as shown in Figure 3, Pin 1 should face

downward and the device should be positioned toward the top

of the test socket, thereby exposing the bottom four pins of the

test socket. The socket is marked to help identify the 4 unused

socket pins. Lids to secure the device in the socket are

included with the board and delicately snap into place. The lids

can be removed by applying pressure to the sides of the lid or

by lifting the top and bottom snaps of the lid.

PIN OUT DESCRIPTION

Name

Description

Logic input pin to initiate self–test

VOUT

Output voltage of the accelerometer

STATUS

Logic output pin to indicate fault

VSS

Power supply ground

VDD

Power supply input

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com

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